.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.user-select {
    margin: 20px 0;
}

select {
    padding: 8px;
    font-size: 16px;
}

.chart-container {
    position: relative;
    height: 400px;
    margin-top: 20px;
}
.leaderboard {
    margin-top: 30px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

.overview-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 20px 0;
}

.overview-item {
    flex: 1 1 200px;
    background: #f5f5f5;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.overview-item h3 {
    margin: 0 0 10px 0;
    color: #333;
}

.overview-item p {
    margin: 0;
    font-size: 1.2em;
    color: #666;
}


